 The Two Spotted Spider Mite in the Northeast Hopyard www.uvm.edu The two spotted spider mite (TSSM) Tetranychus urticae Koch is a common pest of many crops and ornamentals. Hop growers, landscapers, arborists, and vegetable and fruit growers are familiar with these small 8 -legged creatures that are more closely related to spiders than insects. They can be a major cause of ... Grower Notes: Low levels of spidermites are being reported by several growers. So far the cool wet weather has kept them in check - watch out if the weather goes hot & dry!
Also, powdery mildew has been seen on weeds around the hop yards; so conditions are right for it to form - scout the lower leaves for visual symptoms. Many varieties of hops are entering the burr stage and burrs infect easily during wet humid weather. An effective protectant fungicide for burr stage is Quintec. Apply it as a preventative if the wet weather continues during cone formation and you have seen foliar symptoms. The crop in Northern Michigan appears to be running about two weeks behind the Southern Michigan hop yards - so adjust accordingly. |
click here HOPS DOCS Collection - valuable info we find to share
Blog AuthorLynn, the head hop grower at Great Lakes Hops has over 30 years of experience in the horticultural field. Browse the blog articles here to find useful growing information for humulus lupulus, based on personal experience and observations at Great Lakes Hops. Archives
January 2020
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